Zilosh the Cur

Ward—Pay 6 life.
Coalition (While an opponent is choosing targets as
part of casting a spell they control or activating an
ability they control, that player must choose at least
one Flagbearer on the battlefield if able.)
As long as you control no other creatures, Zilosh
is a Flagbearer in addition to its other types.
{1}: Another target creature becomes a Flagbearer
until end of turn.